CN101965428A - Heat exchanging device for construction machine - Google Patents
Heat exchanging device for construction machine Download PDFInfo
- Publication number
- CN101965428A CN101965428A CN2009801077402A CN200980107740A CN101965428A CN 101965428 A CN101965428 A CN 101965428A CN 2009801077402 A CN2009801077402 A CN 2009801077402A CN 200980107740 A CN200980107740 A CN 200980107740A CN 101965428 A CN101965428 A CN 101965428A
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- CN
- China
- Prior art keywords
- fastening portion
- heat
- frame
- net
- exchange device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
A heat exchanging device for a construction machine, wherein a dust protection net can be easily mounted to and removed from the heat exchanging device and the dust protection net is prevented from flapping. A heat exchanging device for a construction machine is provided with heat exchangers (20, 21) mounted on a frame (8) and cooling a driving source (12) mounted on the frame (8), a fan (23) mounted on the frame (8) and supplying cooling air to the heat exchangers (20, 21), and a dust protection net (25) mounted in the flow of cooling air, generated by the fan (23), so as to be located upstream of the heat exchangers (20, 21). The dust protecting net (25) is provided with a net section (31) stretched in a frame section (30) and also with engaging sections (33) mounted to the frame section (30). The engaging sections (33) are adapted to be engageable with engagement receiving sections (37a) provided to the heat exchangers (20, 21) and have bend sections (34e) located at ends (34d) of the engaging sections (33). At least either each of the bend sections (34e) or each of the engagement receiving sections (37a) has an elastic member (38).
Description
Technical field
The present invention relates to be used for the heat-exchange device of engineering machinery such as hydraulic crawler excavator, hydraulic crane and wheel loader.
Background technology
In general, the heat-exchange device that in hydraulic crawler excavator, possesses the radiator of the cooling water that cooled engine uses and oil cooler of the working oil that cooling makes various actuator action and so on.These heat-exchange devices are arranged to utilize fan to rotate the cooling air that is produced and are cooled off.The surface of accepting cooling air of heat-exchange device is provided with to prevent dust uses net, is used to prevent that the body of heat-exchange device from being stopped up by dust.Dustproof cross bolt with Netcom and be installed on the heat-exchange device.
Patent documentation 1: the spy opens flat 11-190215 number
In above-mentioned prior art, in order to prevent dust easily, the installation that utilizes bolt set for dustproof be fixed and will prevent dust with the bottom of netting as plug-in type with online portion with the handling operation of net.
Yet, will prevent dust and when heat-exchange device is pulled down, bolt must be pulled down with net, therefore each cleaning all is accompanied by the operation of the loading and unloading bolt of trouble when preventing dust with net.
In addition, be set at plug-in type with the bottom of netting,, then can produce shake owing to the pressure of cooling air if only the bottom is embedded the structure in gap although will prevent dust.Therefore, can't adopt the structure of omitting dustproof bolt with online portion.Particularly in configuration the distance near little rotation type hydraulic excavator and mini-excavator of driver's seat and heat-exchange device, the sound that this shake produced is more ear-piercing concerning the operator.
Summary of the invention
The purpose of this invention is to provide that a kind of easy loading and unloading are dustproof use net, and be mounted to the heat-exchange device of the engineering machinery of the shake that the usefulness that can suppress to prevent dust nets.
In order to achieve the above object, the invention of the application's scheme 1 is a kind of heat-exchange device of engineering machinery, possesses: framework; Be arranged on the drive source on this framework; Be arranged on the described framework and cool off the heat interchanger of described drive source; Be arranged on the described framework and supply with the fan of cooling air to described heat interchanger; And the dustproof net of using that in the cooling air that utilizes described fan to produce flows, is arranged on the upstream with respect to described heat interchanger, it is characterized in that described preventing dust is equipped with netting gear: frame portion; Be tensioned to the wet end of described frame portion inboard; And the fastening portion that is installed on described frame portion, described fastening portion is set on can the fastening heat interchanger set by fastening portion, in described fastening portion and describedly possessed elastomeric element by at least one side's side in the fastening portion, set described protuberance size for be equal to or greater than described fastening portion recess size, make described fastening portion and described chimeric by described elastomeric element by fastening portion by fastening portion.
According to the invention of the scheme 1 of such formation, need not tool using and can easily prevent dust, and can be mounted to and suppress dustproof shake with net with the dismounting operation of net.
The invention of the application's scheme 2, the invention based on scheme 1 is put down in writing is characterized in that, described framework rotatably is set.
The invention of the application's scheme 3 based on scheme 1 or 2 inventions of being put down in writing, is characterized in that, described dustproofly possess handle part with net on framework top.
According to the invention of the scheme 3 of such formation, help to improve and pull out dustproof easness with net.
The invention of the application's scheme 4, the invention based on scheme 3 is put down in writing is characterized in that, described handle part and described fastening portion are arranged to one.
According to the invention of the scheme 4 of such formation, can easily carry out handle part and fastening portion are installed to installation exercise in the frame portion.
According to the invention of scheme 5, a kind of heat-exchange device of engineering machinery is provided, possess: on each of a pair of track frame around the driving body that hangs with crawler belt; Rotatably be arranged on the rotary body on this driving body; Be arranged on the driver's cabin of the front side on this rotary body; The counterweight of the rear side on the described rotary body is set; Cover described driver's cabin on the described rotary body and the hatch lid between the described counterweight; Be arranged at the fan in this hatch lid; Be arranged in the described hatch lid and be configured in the locational heat interchanger of the cooling air that acceptance produces by the fan rotation; And the dustproof net of using that is arranged on the upstream side separately of this heat interchanger, it is characterized in that described preventing dust is equipped with netting gear: frame portion; Be tensioned to the wet end of this frame portion inboard; Be installed on the handle part on described frame portion top; First fastening portion that is wholely set with this handle part and the second fastening portion that is installed on described frame subordinate portion, described first fastening portion and the described second fastening portion set for can be distinguished fastening and support on the support members of frame of described heat interchanger set by fastening portion, end separately in described first fastening portion and the described second fastening portion possesses bending part, at this bending part and describedly possessed elastomeric element by at least one side in the fastening portion, set described protuberance size for be equal to or greater than described bending part recess size by fastening portion, make described bending part and described by fastening portion by described elastomeric element chimeric.
Effect of the present invention is as follows.
According to the present invention, dustproof handling operation with net becomes easily, and can be mounted to the inhibition shake with net with preventing dust.
The specific embodiment
Below listed the specific embodiment that is applicable to hydraulic crawler excavator, and described with reference to accompanying drawing.
Fig. 1 is the lateral view of expression hydraulic crawler excavator integral body, and Fig. 2 is the vertical view of the configuration on the expression rotating frame.Fig. 3 is the observed longitudinal section of II-II direction from Fig. 2, and Fig. 4 is that expression is equipped with the dustproof oblique view of using the structure of the heat interchanger of netting.Fig. 5 is an expression dustproof oblique view with net of the present invention, and Fig. 6 represents the dustproof oblique view of using the handle part of net individually.Fig. 7 be the expression possess heat exchanger side by the partial enlarged drawing on the top of the holding components of fastening portion.Fig. 8 is the oblique view of the dustproof state midway of pulling out from heat-exchange device with net of expression.For convenience, be that front side, figure right side of face are that the drawing upside is that right side, drawing downside serve as that the left side describes among rear side, Fig. 2 with the left side of the drawing among Fig. 1 below.
As shown in Figure 1, hydraulic crawler excavator 1 roughly comprises: on the track frame 2 that is provided with in couples around the driving body 4 that hangs with endless track 3; Be installed in rotary body 6 on the driving body 4 by whirligig 5; And the anterior device 7 that can be rotatably set in the front side of rotary body 6.
As shown in Figure 2, between the front side of hatch lid 11 inherent counterweights 9 and the rear side of driver's cabin 10, motor 12 as drive source is horizontal on the width of rotating frame 8, at the right side of driver's cabin 10 sidepiece, is provided with the support frame 13 of the boom 7a of support front device 7.The place ahead, right side of this support frame 13 is provided with control valve 14, and the inboard at the rear of control valve 14 from rotating frame 8 begins to be disposed with operating oil tank 15, fuel tank 16.The space that is surrounded by support frame 13 and operating oil tank 15 and motor 12 disposes the motor 17 of rotation usefulness in the substantial middle of rotating frame 8 at this position.With the motor 12 relative noise dampers 18 that above the right side of rotating frame 8, dispose, thereunder be provided with hydraulic pump 19.Dispose oil cooler 20 and radiator 21 side by side with motor 12 relative left sides, dispose intercooler 22 as heat interchanger with oil cooler 20 and radiator 21 relative sides at rotating frame 8 as heat interchanger at rotating frame 8.Radiator 21 is used for cooled engine 12, and oil cooler 20 is used for cooling work oil.With intercooler 22 relative upstream sides, rotatably install and be supported with air conditioning condenser 24 to the side of rotary body at cooling air.
As shown in Figure 3, on the axis of rotation of motor 12, fan 23 is installed by belt pulley 12a.The cooling air that is produced by fan 23 is through being formed at the shutter 26 on the hatch lid 11, flows through air conditioning condenser 24 successively, dustproofly flows in the hatch lid 11 with net 25, intercooler 22, oil cooler 20 or radiator 21.Prevent dust and in the cooling air that fan 23 is produced flows, be arranged on upstream side with respect to heat interchanger with radiator 21 beginnings with net 25.
As shown in Figure 4, the configuration side by side respectively of oil cooler 20 and radiator 21, oil cooler 20 and radiator 21 are supported fixing by a pair of support framework 27, the 27 mutual clampings that vertically are provided with from rotating frame 8.
Intercooler 22 is by supporting framework 27,27 to be fixedly supported on the upstream side of oil cooler 20 and radiator 21, and the top of intercooler 22 is fixing by beam 28 in the mode that is erected on a pair of support framework 27,27.The area of the heat unit of intercooler 22 is set at and approximates oil cooler 20 and the radiator 21 area sum of heat unit separately greatly.
In the car body side of a pair of support framework 27,27, air conditioning condenser 24 is installed by a pair of carriage 29,29.This air conditioning condenser 24 is arranged to be rotatably supported on a side the carriage 29, and detachable with respect to the opposing party's carriage 29.
It is dustproof with net 25 below to describe vitals of the present invention in detail.
As shown in Figure 5, dustproofly roughly comprise: form rectangular frame portion 30 with net 25; Be tensioned to the netted wet end 31 of frame portion 30 inboards; The handle part 32 that is used to the コ word shape of controlling during dismounting; And being installed on a plurality of fastening portion 33 in the frame portion 30, illustrated two frame portions 30,30 split separately form, and possess the small pieces 30a of outstanding frame portion profile on side's side end on frame portion top.These small pieces 30a has the dustproof with the effect of net 25 and the effect of restriction site of guiding the opposing party.
Fastening portion 33 comprises upside fastening portion 34 that is installed on frame portion 30 tops and the downside fastening portion 35 that is installed on frame portion 30 bottoms.
As shown in Figure 6, handle part 32 and upside fastening portion 34 form as one, and on the installation base portion of handle part 32, are provided with a pair of upside fastening portion 34 in the mode of the mutual grip handle of the tabular support plate parts 32d portion 32 of extending by along continuous straight runs.Upside fastening portion 34 constitutes and is converted into round shape with a series of from the upwardly extending a pair of protrusion tab bending of support plate parts 32d.In more detail, upside fastening portion 34 comprises: the rise part 34a of Yan Shening upward; With the continuous bend 34b that has round shape that forms of this rise part 34a; The 34c of the portion that returns that extends downwards that forms continuously with this bend 34b, and with return that the 34c of portion forms continuously and with respect to rise part 34a to away from the end 34d that extends of oblique below.Returning the bending part 34e that forms between 34c of portion and the end 34d is set at and can be fitted to and described later by between the 37a of fastening portion by elastomeric element 38 described later. Elastomeric element 36,38 for example can be formed by soft materials such as rubber, resin, felts.
On the other hand, as shown in Figure 7, dustproof heat exchanger side with net 25 is installed is provided with the beam parts 28 that are erected between a pair of support framework 27,27, and be provided with holding components 27a in the car body outside abreast in 27,27 of a pair of support frameworks and beam parts 28 with respect to beam parts 28.As one man set the height on the top of upside holding components 27 with the height and position of the upside fastening portion 34 that dustproof state with net 25 is installed.Upside holding components 27 is set in a plurality of positions on top and is prolonged predetermined size upward, and carries out bending machining to being set at the position that has prolonged preliminary dimension.Size Y between the bend 27b that adjoins each other be set at handle part 32 in support plate parts 32d length dimension about equally.Bend 27b has the function that restriction support plate parts 32d moves in the horizontal direction.
As shown in Figure 8, below heat interchanger, possess, can be provided with downside by the 37b of fastening portion with the chimeric height and position of dustproof bottom fastening portion 35 with net 25 with the interconnective holding components 27c in the bottom of a pair of support framework 27,27.This downside by the 37b of fastening portion in chimeric in advance flexible parts 38, by chimeric mutually, constitute and can absorb the vibration that produces by shake with downside fastening portion 35.Downside fastening portion 35 constitutes the shape identical with above-mentioned upside fastening portion 34, and the difference of itself and upside fastening portion 34 is, in that to separate the shape of point of part different with handle part 32.
Bending part 34e and upside are set for by the gap size between the 37a of fastening portion, as shown in Figure 6, deduct the resulting dimension D (not shown) of gauge B (not shown) of frame portion 30 from the size A between bending part 34e and rise part 34a, and be installed in advance that upside is equated by the gauge E of the elastomeric element 38 on the 37a of fastening portion or littler.Therefore, be entrenched in upside and be set at chimeric state with bending part 34e by the elastomeric element among the 37a of fastening portion 38.For the bending part in the downside fastening portion 35 and downside too by the relation of the various gap sizes between the 37b of fastening portion.The gap size of bending part 34e is used as the above-mentioned size Expressing of the gap size D that forms recess, and upside is used as the above-mentioned size Expressing of the gauge E that forms protuberance by the size of the 37a of fastening portion.
Below describe based on the dustproof action of operating present embodiment with the dismounting of net 25.
When hydraulic crawler excavator 1 is moved at the fixed time, dustproof with net 25 wet end 31 and the surface attachment of radiator 21, oil cooler 20 etc. foreign matter is arranged.Especially, dustproof in order to clean with net 25, as shown in Figure 8, will prevent dust and pull out and pull down from the top with net 25.After dustproof cleaning with net 25 finishes, will prevent dust and insert from the heat interchanger top with net 25, make be located at dustproof with the fastening portion on the net 25 34,35 and be located at heat exchanger side to be passed through elastomeric element 38 each other by the 37a of fastening portion, 37b chimeric mutually.
In the above-described embodiment and since fastening portion 34,35 with only installed by the 37a of fastening portion, 37b by elastomeric element 38 is mutual chimericly, so do not need to utilize fixed part such as bolt to carry out the dismounting operation as dismantling device, just can pull out or insert.Dismounting easily is dustproof with net 25 thus, realizes the shortening of maintenance time.
In addition, chimeric mutually with bending part 34e by being arranged to be entrenched in upside by the elastomeric element among the 37a of fastening portion 38, suppress dustproof shake thereby can be mounted to net.Thus, can prevent to produce and make the operator feel ear-piercing shake sound.
Though above-mentioned present embodiment can hydraulic crawler excavator 1 voluntarily be that example is illustrated to be applicable to, also can be applicable to type that does not have driving body and the hydraulic crawler excavator that does not have the type of spinfunction, can also be applicable to crane or loader.
In addition, be that example is illustrated though constitute the dustproof of one with handle part 32 with net with fastening portion 33, fastening portion 33 and handle part 32 also can separately form.In addition, make dustproofly with the net lightweight or constituting and shorten the longitudinal direction size of preventing dust with net 25, also can cancel handle part 32 so that under the situation of pulling out easily.
Though not shown, constitute under the situation about separately forming in fastening portion and handle part, perhaps constitute when omitting handle part, constitute common shape by making upside fastening portion and downside fastening portion, can reduce number of components and reduce cost.
In the above-mentioned embodiment, being set up in parallel with radiator 21 and oil cooler 20 is that example is illustrated, therefore dustproof also constituting with net 25 is configured to a pair of shape, but can omit a wherein side structure certainly under the situation that radiator 21 and oil cooler 20 are provided with by file.
In the above-mentioned embodiment, to be that example is illustrated by the structure that the 37a of fastening portion and downside are equipped with elastomeric element on by the 37b of fastening portion, also can play same effect and effect but make the structure that elastomeric element is installed in upside fastening portion 34 and downside fastening portion 35 at upside.
The first fastening portion described in the technical scheme represents that 34, the second fastening portions of upside fastening portion represent downside fastening portion 35.
Description of drawings
Fig. 1 is the lateral view of expression hydraulic crawler excavator integral body.
Fig. 2 is the vertical view of the configuration on the expression rotating frame.
Fig. 3 is the observed longitudinal section of II-II direction from Fig. 2.
Fig. 4 is that expression is equipped with the dustproof oblique view of using the structure of the heat interchanger of netting.
Fig. 5 is an expression dustproof oblique view with net of the present invention
Fig. 6 represents dustproof oblique view with the handle part of netting individually.
Fig. 7 be the expression possess heat exchanger side by the partial enlarged drawing on the top of the holding components of fastening portion.
Fig. 8 is will the prevent dust oblique view of the state midway of pulling out from heat-exchange device with net of expression.
Among the figure:
1 hydraulic crawler excavator
2 track frames
3 crawler belts
4 driving bodies
5 whirligigs
6 rotary bodies
7 anterior device
8 rotating frames
9 counterweights
10 driver's cabins
11 hatch lid
12 motors
13 supporting frames
14 control valves
15 operating oil tanks
16 fuel tanks
17 rotation motors
18 noise dampers
19 oil pressure pumps
20 oil coolers
21 radiators
22 intercoolers
23 fans
24 air conditioning condensers
The 25 dustproof nets of using
26 shutters
27 support framework
27a upside holding components
The 27b bend
27c downside holding components
28 beams
29 carriages
30 frame portions
The 30a small pieces
31 wet ends
32 handle parts
The 32a rise part
The 32b bend
The 32c handle part
32d support plate parts
33 fastening portions
34 upside fastening portions
The 34a rise part
The 34b bend
34c returns portion
The 34d end
The 34e bending part
35 downside fastening portions
36 elastomeric elements
The 37a upside is by fastening portion (by fastening portion)
The 37b downside is by fastening portion (by fastening portion)
38 elastomeric elements
Claims (5)
1. the heat-exchange device of an engineering machinery possesses:
Framework;
Be arranged on the drive source on this framework;
Be arranged on the described framework and cool off the heat interchanger of described drive source;
Be arranged on the described framework and supply with the fan of cooling air to described heat interchanger; And
Be located at the dustproof net of using of upstream in the cooling air that utilizes described fan to produce flows with respect to described heat interchanger, the heat-exchange device of this project machinery is characterised in that,
Described preventing dust is equipped with netting gear:
Frame portion;
Be tensioned to the wet end of described frame portion inboard; And
Be installed on the fastening portion of described frame portion,
Described fastening portion is arranged on can the described heat interchanger of fastening set by fastening portion,
In described fastening portion and describedly possessed elastomeric element by at least one side's side in the fastening portion,
Set described protuberance size for be equal to or greater than described fastening portion recess size, make described fastening portion and described chimeric by described elastomeric element by fastening portion by fastening portion.
2. the heat-exchange device of engineering machinery according to claim 1 is characterized in that,
Described framework rotatably is set.
3. the heat-exchange device of engineering machinery according to claim 1 and 2 is characterized in that,
Described dustproofly possess handle part with net on framework top.
4. the heat-exchange device of engineering machinery according to claim 3 is characterized in that,
Described handle part and described fastening portion are arranged to one.
5. the heat-exchange device of an engineering machinery, this project machinery possesses:
On each of a pair of track frame around the driving body that hangs with crawler belt;
Rotatably be arranged on the rotary body on this driving body;
Be arranged on the driver's cabin of the front side on this rotary body;
Be arranged on the counterweight of the rear side on the described rotary body;
Cover described driver's cabin on the described rotary body and the hatch lid between the described counterweight;
Be arranged on the fan in this hatch lid;
Be arranged in the described hatch lid and be disposed at the locational heat interchanger of the cooling air that acceptance produces by the fan rotation; And
Be arranged on the dustproof net of using of the upstream side separately of this heat interchanger, the heat-exchange device of this project machinery is characterised in that,
Described preventing dust comprises with net:
Frame portion;
Be tensioned to the wet end of described frame portion inboard;
Be installed on the handle part on described frame portion top;
With this handle part the all-in-one-piece first fastening portion is set; And
Be installed on the second fastening portion of described frame subordinate portion,
Described first fastening portion and the described second fastening portion are arranged to distinguish fastening and support on the support members of frame of described heat interchanger setly by fastening portion, possess bending part in the end separately of described first fastening portion and the described second fastening portion,
At this bending part and describedly possessed elastomeric element by at least one side in the fastening portion,
Set described protuberance size for be equal to or greater than described bending part recess size by fastening portion, make described bending part and described by fastening portion by described elastomeric element chimeric.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-056415 | 2008-03-06 | ||
JP2008056415A JP2009209647A (en) | 2008-03-06 | 2008-03-06 | Heat exchanger of construction machine |
PCT/JP2009/054074 WO2009110508A1 (en) | 2008-03-06 | 2009-03-04 | Heat exchanging device for construction machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101965428A true CN101965428A (en) | 2011-02-02 |
Family
ID=41056061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801077402A Pending CN101965428A (en) | 2008-03-06 | 2009-03-04 | Heat exchanging device for construction machine |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110000637A1 (en) |
EP (1) | EP2256257A4 (en) |
JP (1) | JP2009209647A (en) |
CN (1) | CN101965428A (en) |
WO (1) | WO2009110508A1 (en) |
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JP2007247513A (en) * | 2006-03-15 | 2007-09-27 | Shin Caterpillar Mitsubishi Ltd | Cooling system |
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-
2008
- 2008-03-06 JP JP2008056415A patent/JP2009209647A/en not_active Withdrawn
-
2009
- 2009-03-04 CN CN2009801077402A patent/CN101965428A/en active Pending
- 2009-03-04 EP EP09716534A patent/EP2256257A4/en not_active Withdrawn
- 2009-03-04 US US12/920,529 patent/US20110000637A1/en not_active Abandoned
- 2009-03-04 WO PCT/JP2009/054074 patent/WO2009110508A1/en active Application Filing
Cited By (6)
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CN104074221A (en) * | 2013-03-28 | 2014-10-01 | 住友建机株式会社 | Construction machinery |
CN104074221B (en) * | 2013-03-28 | 2016-08-17 | 住友建机株式会社 | Construction machinery |
CN104074220B (en) * | 2013-03-28 | 2016-08-17 | 住友建机株式会社 | Construction machinery |
CN105569109A (en) * | 2014-10-29 | 2016-05-11 | J.C.班福德挖掘机有限公司 | Counterweight assembly |
CN105569109B (en) * | 2014-10-29 | 2021-02-23 | J.C.班福德挖掘机有限公司 | Counterweight assembly |
Also Published As
Publication number | Publication date |
---|---|
EP2256257A4 (en) | 2011-05-18 |
US20110000637A1 (en) | 2011-01-06 |
EP2256257A1 (en) | 2010-12-01 |
JP2009209647A (en) | 2009-09-17 |
WO2009110508A1 (en) | 2009-09-11 |
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Application publication date: 20110202 |